MTL - Resurrection of Terror: My Eight Magical Skills Will Be Automatically Cultivated - Chapter 13

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.

For the large sum of money to help her husband, she chose to be a surrogate mother covertly. Her sweetheart was out of trouble, but she became the woman of loose morals in his eyes. Misunderstanding, disappointment and sadness forced her to divorce the man she loved from the childhood.

This is a very serious Xianxia book, but why the introduction I always want to describe it as: My second child is a giant, and there will be something going on in the future, and so on.

In short, you will understand after reading it, this is really not the YY of male species, what is missing, what is missing, etc. I am telling the truth.

- Description from novelbuddy

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.